Improvement in hltltotg-machlnes



strippers.

mais:

@this es I sie dimmi' @iii A L B E R T ANgG' L-'LQQF 'NE wenn G, l N E vv Y o RK'.

s Letters Patent No. 87,388, @ma Marcil 2, 1869.

ivrRovnMnnT v1Ninunnrlv@alweer-inves.

n schedulererqrrea to in um@ Letters ramt ma making par; of m ma l Be it known that I, ALBERT ANGELI., of N ewburg,

Vin the county of Orange, and State of New York, have' inventeda new and improved Machine for Hulling and Cleaning Coffee,- Rice, &c., of which the following .is a 4f`ull,jclear, and exact description, reference being had ing-machine embodying my invention.

Figure' 2 is a-side'view'of bneof the metal spring- Figure 3 is an end view ofthe saine.

Figure 4 represents views in detail of the feed-roller and guards.

Figure 5 is a vertical longitudinal section of my device for cleaning and polishing the kernels after they have been hulled.A

Figure 6 represents the arrangement of theihulling and polishing-devices.

The object of my invention is to furnish a machine by which coffee, rice, 8vo., mayberhulled, cleansed, and .polished thorough) rapidmfand Without that large .loss off crushed an broken grain which renders vmachines nowin use so ineicient.

By the wnnowing and polishing-process to which the grain is subjected, the remnant-s of the broken hulls are entirely removed.

By my arrangement of thefeeding-device, crushing and compacting of the kernels is prevented.

By an adjustment easily made, the sarhe machine may be adapted to all fruits or vberries'having hulls.

The invention consists in a combination of metallic adjustable-spring strippers, andan endless belt, composed of serrated or ronghened plates.

`It further consists inlthear'rangement, in one maf-v chine,'of a 4hulling and polishing device, whereby the operations of hulling and Ipolishing the berries may be successively performed while the Amachine itself is in operation.

Referring to the drawingsl -a represents the frame of the machine, c c'.`

d is an elevating band, for raising the hulled grainl 'tothe hopper i, from .which it isfed to the polisher s. Inclined shaking-tables conductth'e grain in the winnowingTchambers to thdfront partof the machine.

The part-s thus fai-referred to are substantially of the sane construction as those in ordinaryuse.

v Upon the shafts g are cylinders, or drums It and h",

by which the endless belts on and m' are supported.

The endless belts 1n and 'mf arelcomposed of corru! gated or serrated metallic plates,A which4 cause the grain to advance with them, and cooperate with the strippers o'in stripping oif'thehusksor hulls.

The endless belts m and rm.' alike, while they are car ryng grain under the strippers and polishenare kept fromA yielding "or sagging, by plane horizontal tables,

placed between the cyunders over which, maken@ pass, and are supported-in any suitable manner. A

v Thestrippers o are narrow, long bars, havinga inetallic roughened or corrugated under surface, and are arranged above the'belts m. They are secured lby a pin, passing through a bearing at one end, which per lmits the other end to be raised or lowered.

A spring, regulated'l by the bolt p, presses the free -end of the strippers downward, but does net maintain the screws fr', thus diminishing or increasingthe furce ,which presses the strippers and the endless beltto .ward each other.

' The adjustingescrews p permit a variation of the -V tension of the pressing-springs, thus adapting the same x hnllers to grain of various sizes.

The elastic yielding of the strippers o enables the machine to run at a considerable speed, without danger to the grain. Within the throat of each ofthe hoppers 'i and iis arranged acylinder, k, provided with transverse grooves,

so as to allowl of the passage of only one kernel or grain at a time.

Guards i', of some hat, thinsubstance, are fastened at one edge to the hopper, while the opposite edge 'is provided'with projections fitting in the grooves ofthe rollers, or cylinders k. These guards are so arranged as only to allowthe passage of the grain through the intervals between one edge of thecylinders and the wall of the hopper-throat.

When the machine is in operation, the cylinders k .sovrevolve that the part in contact with the cdrrent of grain. is moving in a contrary direction tb it, thus continually relieving the compacted kernels, and maintaining an 'unobstructed flow of the feed, delivcringit uni- 4formly over the advancing belts 'm and m.

While the belt mis in motion, the hulled grain falls from it, down'through the back part 'of the`winnowing-chamber, upon. the shaking-table a.

A blast of air from 'the fan C, 'ivinuows the falling grain. The back of the winnowingLchamber being open, the course of the blast is unobstructed;

The winnowed grain slides down the inclined. shaking-table, and is then elevated bythe band d, delivered into the hopper t, andfed, by the method before'described, upon the belt m', which carriesit under the stiff brush S, by -which it iscleansed and polished.

Falling from' the belt m', it is winnowed again, just as before, and is then delivered from the machine.

I am aware that endless belts, composedof corrugated or roughened plates,.are notnew, the same A being shown .in the patent of D.A Lombard; and alsothat spring-pads or strippers have been used, the same',V

being shown in a ptr-tent grautedme on the 13th No-v vember, 1866. These, therefore, I donot claim; nor do I claim a polishing-device of itself; but

What I doelaim, and desire to seeure by Letters Patent, isu

The arrangement of an endless belt and springs-tlippers, constructed as (leseribedrwitb the elevator d, and a polishing-device, composed of the stationary brush AJBERT ANGELL.

l' AUGUSTIN JoNE's. 

